初始化

缺陷：主题配色需要优化整体的同风格

app/Models/business/OrderModel.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Models\business;
+
+use App\BaseApp\BaseBusinessModel;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+/**
+ * 订单（cc_order）
+ *
+ * 金额字段一律是整数分。状态用显式状态机（见 OrderService::transition），
+ * 不要在业务代码里散落 if-else 直接改 status。
+ */
+class OrderModel extends BaseBusinessModel
+{
+    protected $table = 'order';
+
+    protected $guarded = [];
+
+    public const STATUS_UNPAID = 0;
+    public const STATUS_PAID = 1;
+    public const STATUS_SHIPPED = 2;
+    public const STATUS_DONE = 3;
+    public const STATUS_CANCELLED = 4;
+
+    public const PAY_TYPE_VOUCHER = 1;
+    public const PAY_TYPE_WECHAT = 2;
+
+    public const PAY_STATUS_UNPAID = 0;
+    public const PAY_STATUS_AUDITING = 1;
+    public const PAY_STATUS_PAID = 2;
+    public const PAY_STATUS_REJECTED = 3;
+
+    public const DELIVERY_EXPRESS = 1;
+    public const DELIVERY_PICKUP = 2;
+    public const DELIVERY_COMPANY = 3;
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(OrderItemModel::class, 'order_id', 'id');
+    }
+
+    public function payments(): HasMany
+    {
+        return $this->hasMany(OrderPaymentModel::class, 'order_id', 'id');
+    }
+
+    public function deliveries(): HasMany
+    {
+        return $this->hasMany(OrderDeliveryModel::class, 'order_id', 'id');
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(WxUserModel::class, 'user_id', 'id');
+    }
+
+    public function enterprise(): BelongsTo
+    {
+        return $this->belongsTo(EnterpriseModel::class, 'enterprise_id', 'id');
+    }
+}